import wx

class wxclass(wx.Frame):
    def __init__(self,paranet,id):
        wx.Frame.__init__(self,paranet,id, 'First Window', size=(300,200))   
        panel=wx.Panel(self)
        
        wx.CheckBox(panel, -1, 'Apples',(20,20),(160,-1))
        wx.CheckBox(panel, -1, 'Corn',(20,40),(160,-1))
        wx.CheckBox(panel, -1, 'Eggs',(20,60),(160,-1))
        
if __name__ == "__main__":
    app=wx.PySimpleApp()
    frame=wxclass(paranet=None, id=-1)
    frame.Show()
    app.MainLoop()